Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
hanh vai » hanh va, hanh tai, hanh van
va triet » va thiet, ve triet, cua triet
cau luc » cau truc, cau phuc
qua cau » quan cau, qua cac, qua ca
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
luc va » duc va, tuc va, loc va
sac ky » cac ky, sai ky
su sac » su sach, su cac, su xac

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky tang ma hoa. hieu qua cau luc va ((hanh vai) OR (hanh vi)) ((va triet) OR (va trien))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky tang ma hoa. hieu qua cau luc va ((hanh vai) or (hanh vi)) ((va triet) OR (va trien))~".
• Adding a wildcard symbol may retrieve word variants: su sac ky tang ma hoa. hieu qua cau luc va ((hanh vai) or (hanh vi)) ((va triet) OR (va trien))*.